Home / 305,054.44-420,832.74-191,939.56

Finding the Fourth Proportional to 305,054.44, 420,832.74 and 191,939.56

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Solution

The fourth proportional to 305,054.44, 420,832.74 and 191,939.56 is: 264,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,054.44 : 420,832.74 = 191,939.56 : x
  2. Step 2: Convert to fraction form
    305,054.44/420,832.74 = 191,939.56/x
  3. Step 3: Cross multiply
    305,054.44x = 420,832.74 × 191,939.56
  4. Step 4: Simplify right side
    305,054.44x = 80,774,450,949.19
  5. Step 5: Solve for x
    x = 80,774,450,949.19/305,054.44
  6. Step 6: Final answer
    x = 264,787.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.